Question

the given jar contains yellow (y), blue (b), and red (r) balls. anne randomly chooses a single ball from the can shown here. find the odds against the event. red or yellow (r or y)
state the odds against red or yellow in lowest terms.
the odds against red or yellow are to 3.

Explanation:

Step1: Count total number of balls

There are 12 balls in total.

Step2: Count number of red or yellow balls

There are 3 red or yellow balls (1 red + 2 yellow).

Step3: Count number of non - red or yellow balls

There are 12 - 3 = 9 non - red or yellow balls (blue balls).

Step4: Find odds against

The odds against an event is the ratio of the number of unfavorable outcomes to the number of favorable outcomes. So the odds against red or yellow is 9:3 = 3:1.

Answer:

3